Mental Math Jeopardy

Say What?

100

Finf the mode:

3, 5, 11, 3, 3, 7, 9, 2, 2, 3, 12, 8, 5

3

200

Mental Math

30-33 = ___

-3

300

Mental Math

3x3x3x2

54

400

Supplementary Angles add up to:

180 degrees

500

What's the reciprocal of 5/8?

8/5

Subtract!

100

Mental Math

Fiona wants to buy a phone charger worth $42.65, but she only has a $50 bill How much change will she receive?

$7.35

200

What is the highest prime number in the 30's?

37

300

What's 9 + -9?

0

400

Mental Math

(18 - 4)²

196

500

The number of letters in our school mascot

8

Add!

100

3rd planet from the sun

Earth

200

Number of degrees in a semi-circle

180 degrees

300

MENTAL MATH

13 + ___ = 241

228

400

MENTAL MATH

98 + 499 = 

597

500

MENTAL MATH

155 + 245 = ? 

400

Multiply!

100

MENTAL MATH

135 x 3  = 

405

200

MENTAL MATH 

8 x 9 x 2 = 

144

300

Mental Math

23 x 11 =

253

400

Mental Math 

8 x 15 = ?

120

500

Mental Math

20 x 41 = 

820

Divide!

100

Mental Math

54 divided into 6 groups

9

200

141 / 3

47

300

MENTAL MATH 

4 / 10

0.4 or 2/5

400

MENTAL MATH

400 divided into 5 groups

80

500

MENTAL MATH

8/12 = _____

0.666... or 2/3

Number squared

100

What is 9²

81

200

What is 6² ?

36

300

What is 100² ?

10,000

400

What is 25² ?

625

500

What is 50² ?

2500